ES2018

ECMAScript 2018 (ES9)

ECMAScript 2018 features
Feature Example Section
Async iteration for await (const x of s) 6.6.9
finally(), object rest/spread const { a, ...r } = o 6.6.3, 6.3.3
RegExp named groups, lookbehind /(?<year>\d{4})/ 6.19.1, 6.19.2
RegExp s flag, \p{...} /\p{Letter}/u 6.19.1, 6.19.3